Deutsche Boerse AG's personnel committee will meet Monday to consider appointing a new chief executive, a person familiar with the matter said. Reto Francioni, currently head of Swiss stock market operator SWX Group, has emerged as a favorite candidate to replace Werner Seifert, who was ousted in May.

Mr. Seifert was forced to leave the Frankfurt-based&nbsp;Deutsche Boerse, the operator of the Frankfurt stock exchange, following a...